1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/replacement-encodings.any.js b/testing/web-platform/tests/encoding/replacement-encodings.any.js
new file mode 100644
index 0000000000..784dd953e3
--- /dev/null
+++ b/testing/web-platform/tests/encoding/replacement-encodings.any.js
@@ -0,0 +1,25 @@
+// META: title=Encoding API: replacement encoding
+// META: script=resources/encodings.js
+// META: script=resources/decoding-helpers.js
+
+const replacement_labels = [];
+encodings_table.forEach(section => {
+  section.encodings
+         .filter(encoding => encoding.name === 'replacement')
+         .forEach(encoding => {
+           encoding.labels.forEach(label => { replacement_labels.push(label); })
+         });
+});
+
+replacement_labels.forEach(label => {
+  decode_test(
+    label,
+    '%41%42%43%61%62%63%31%32%33%A0',
+    'U+FFFD',
+    `${label} - non-empty input decodes to one replacement character.`);
+
+  decode_test(
+    label,
+    '',
+    '', `${label} - empty input decodes to empty output.`);
+});